S275JR Carbon Steel Round Bar

S275JR Carbon Steel Round Bar is a widely utilized material in various industries, known for their excellent combination of strength, flexibility, and cost-effectiveness. These round bars are made from S275JR grade steel, a low-carbon steel that offers good weldability and machinability, making it ideal for structural and engineering applications. The versatility of S275JR Round Bars allows them to be used in construction, manufacturing, automotive, and other industrial sectors where reliable performance and structural integrity are crucial.
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Readily weldable low-carbon manganese steel with good impact resistance (also in sub-zero temperatures).
This material is commonly supplied in the untreated or normalized condition and is available in several
variations (denoted by additional letters and/or digits) which offer slight modifications of chemical composition
and mechanical properties.
Machinability of this material is similar to that of mild steel.

Product Description

Product S275JR Carbon Steel Round Bar
OD 10mm-300mm
Wall Thickness 10mm-300mm
Length 1m-12m, or as the customer’s requirements.
Packing Widely used in the construction industry, Mechanical Engineering, Aviation Equipment, and Rail Transit Equipment
Sample Free samples and customization available
Technique Hot Rolled Cold Rolled
Package Waterproof packaging + wooden box, or according to customer needs
Test Chemical Component Analysis, Mechanical Properties, Technical Properties, Exterior Size Inspection, Hydraulic Testing, X-ray Test
Application Boiler&economizer, Energy, Petrochemical, Mining, Food, Paper, Gas, And Fluid Industry

Chemical Composition of S275JR Carbon Steel Round Bar

C for nominal thickness in mm Mn P S N Cu
≤ 16 ˃16 ≤ 40 ˃ 40
≤ 0.21 ≤ 0.21 ≤ 0.22 ≤ 1.50 ≤ 0.035 ≤ 0.035 ≤ 0.012 ≤ 0.55

S275JR Carbon Steel Round Bar Mechanical Properties

Nominal thickness, mm Minimum yield strength, MPa Strength limit, MPa
<3 275 430-580
≥3 ≤ 16 275 410-560
> 16 ≤ 40 265 410-560
> 40 ≤ 63 255 410-560
> 63 ≤ 80 245 410-560
> 80 ≤ 100 235 410-560
> 100 ≤ 150 225 400-540
> 150 ≤ 200 215 380-540
> 200 ≤ 250 205 380-540
> 250 ≤ 400 195 380-540

Applications of S275JR Round Bar

Construction and Infrastructure

  • Structural Frameworks: S275JR Round Bars are commonly used in the construction of building frameworks, providing essential support and stability to structures.
  • Bridges and Walkways: These round bars are used in the construction of bridges and walkways, where strength and durability are crucial.
  • Support Beams: Often employed as support beams in buildings and infrastructure projects, offering reliable load-bearing capacity.

Manufacturing

  • Machinery Components: S275JR Round Bars are utilized in the production of various machinery components, thanks to their strength and machinability.
  • Fabrication of Tools: Ideal for fabricating tools and dies that require precision and durability.

Automotive Industry

  • Vehicle Frames: Used in the manufacturing of vehicle frames and chassis, providing the necessary strength and flexibility.
  • Components: Employed in the production of various automotive components that require robust and reliable materials.

Industrial Applications

  • Equipment Manufacturing: Used in the manufacturing of industrial equipment and machinery, where strength and resilience are essential.
  • Platforms and Flooring: Applied in creating platforms, flooring, and other structural elements in industrial settings.

Renewable Energy

  • Wind Turbine Structures: S275JR Round Bars are used in the construction of wind turbine towers and other renewable energy structures, where both strength and flexibility are required.

General Fabrication

  • Brackets and Supports: Commonly used to fabricate brackets, supports, and other general-purpose structural components.
  • Custom Fabrication: Ideal for custom fabrication projects that require specific dimensions and reliable material properties.

 

 

 

 

 

 

 

 

Application

Agricultural Modernization

Construction Engineering

Construction Engineering

Environmental Protection Engineering

Food Processing Industry

Intelligent Home Appliances

Medical and Health Field

New Energy Infrastructure

Transportation Equipment

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